US20220207987A1 - Vehicle and method for controlling an emergency call therefor - Google Patents
Vehicle and method for controlling an emergency call therefor Download PDFInfo
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- US20220207987A1 US20220207987A1 US17/643,660 US202117643660A US2022207987A1 US 20220207987 A1 US20220207987 A1 US 20220207987A1 US 202117643660 A US202117643660 A US 202117643660A US 2022207987 A1 US2022207987 A1 US 2022207987A1
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Classifications
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
-
- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/28—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/85—Arrangements for transferring vehicle- or driver-related data
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/102—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/016—Personal emergency signalling and security systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
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- H—ELECTRICITY
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- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/01013—Means for detecting collision, impending collision or roll-over
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/0104—Communication circuits for data transmission
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/01204—Actuation parameters of safety arrangents
- B60R2021/01211—Expansion of air bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/30—Sensors
Definitions
- the present invention relates to a vehicle and a method for controlling an emergency call therefor, and more particularly, to a vehicle capable of performing a more stable and reliable emergency call and a method for controlling an emergency call therefor.
- An emergency call (eCall) function refers to a function that automatically attempts to connect a call to a preset emergency rescue center when an accident is detected in a vehicle, such as airbag deployed or vehicle rollover.
- eCall a function that automatically attempts to connect a call to a preset emergency rescue center when an accident is detected in a vehicle, such as airbag deployed or vehicle rollover.
- the eCall function is compulsory by law in countries such as Europe, Russia, and Turkey, and many countries in Asia and the Middle East are also considering enacting laws.
- FIG. 1 is a block diagram showing an example of a system configuration in which a general emergency call function is implemented.
- an emergency call system may be configured to include a vehicle 10 and an emergency rescue center 20 .
- the vehicle 10 includes a sensor unit 11 having a plurality of sensors, an airbag control unit (ACU) 12 , a central gateway (CGU) 13 , and an eCall unit 14 .
- the plurality of sensors of the sensor unit 11 is disposed in each part of the vehicle to detect the impact or acceleration applied to the vehicle, and the airbag control unit 12 determines whether or not an accident has occurred, whether or not an airbag is deployed and the like based on the signal obtained from the sensor unit 11 .
- the eCall unit 14 receives the certain signal, the emergency call connection to the emergency rescue center 20 is attempted.
- the certain signal that triggers the eCall function is incorrectly transmitted due to a malfunction of the CGW 13 , the ACU 12 , or other control unit even in a situation where no accident occurs, so there is a problem in that the emergency call transmission by the eCall unit 14 occurs.
- the certain signal may not be transmitted to the eCall unit 14 even if the ACU 12 outputs the certain signal that triggers the eCall function.
- Embodiments provide a vehicle capable of providing a more stable and reliable emergency call function and a method for controlling an emergency call therefor.
- the method for controlling an emergency call for a vehicle may include the steps of monitoring a sensor signal in an accident determination unit of a control unit; determining whether or not an airbag is deployed based on the sensor signal in the accident determination unit; requesting an automatic emergency call from the accident determination unit to an emergency call unit of the control unit if the airbag is deployed as a result of the determination; and attempting to transmit a call to an emergency rescue center in response to the request from the emergency call unit.
- the vehicle may include a sensor unit including a plurality of sensors and a control unit to obtain a sensor signal from the sensor unit, the control unit may include an accident determination unit that determines whether or not an airbag is deployed based on the sensor signal, and requests an automatic emergency call if the airbag is deployed as a result of the determination; and an emergency call unit that attempts to transmit a call to an emergency rescue center in response to the emergency call request.
- a sensor unit including a plurality of sensors and a control unit to obtain a sensor signal from the sensor unit
- the control unit may include an accident determination unit that determines whether or not an airbag is deployed based on the sensor signal, and requests an automatic emergency call if the airbag is deployed as a result of the determination; and an emergency call unit that attempts to transmit a call to an emergency rescue center in response to the emergency call request.
- the vehicle related to at least one embodiment configured as described above can perform more reliable and stable emergency call function control.
- the integrated control unit according to an embodiment is more resistant to errors because an airbag control function and an emergency call function are integrated.
- FIG. 1 is a block diagram showing an example of a system configuration in which a general emergency call function is implemented.
- FIG. 2 shows an example of a vehicle configuration according to an embodiment.
- FIG. 3 is a flowchart illustrating an example of an emergency call control process according to an embodiment.
- FIG. 2 shows an example of a vehicle configuration according to an embodiment.
- the vehicle 100 may include a sensor unit 110 having a plurality of sensors, an integrated control unit 120 , and a cluster 130 .
- the components shown in FIG. 2 are mainly illustrated with the elements related to the embodiments, and it is apparent that more or fewer components may be included in an actual vehicle implementation.
- the plurality of sensors of the sensor unit 11 o may be disposed in each part of the vehicle to detect the impact or acceleration applied to the vehicle.
- the integrated control unit 120 may include an accident determination unit 121 , an emergency call (eCall) unit 122 , and an error processing unit 123 .
- the accident determination unit 121 may determine whether or not an accident has occurred and the type of accident based on the information obtained from the sensor unit 110 , and may determine whether or not automatic emergency call is transmitted or the integrated control unit is in error based on the determination result. For example, when the airbag is deployed or it is determined as a rollover accident or a side accident even in a situation where the airbag is not deployed based on the signal of the sensor unit 110 , the accident determination unit 121 may request the eCall unit 122 to send an automatic emergency call. In this case, the accident determination unit 121 may transmit the information on whether or not the airbag is deployed and the accident type together to the eCall unit 122 .
- the information on the accident type can be output in the form of a Diagnostic Trouble Code (DTC).
- DTC Diagnostic Trouble Code
- the accident determination unit 121 may notify the error processing unit 123 of this.
- the eCall unit 122 may include a Global Positioning System (GPS) module to determine a current location and a modem for communication connection with the emergency rescue center 20 .
- GPS Global Positioning System
- the eCall unit 122 may transmit the emergency call to the preset emergency rescue center 20 according to the notification of the accident determination unit 121 , and when the information on whether or not the airbag is deployed and the accident type is obtained from the accident determination unit 121 , the eCall unit 122 may transmit the corresponding information to the emergency rescue center 20 together with the location information obtained through the GPS module.
- GPS Global Positioning System
- the error processing unit 123 may receive a certain signal from the accident determination unit 121 when the airbag is not deployed and it is not determined as a rollover accident or a side accident even though the occurrence of an impact is detected based on the signal of the sensor unit 110 .
- the error processing unit 123 may increase the count of the error counter by 1, and may receive GPS information (i.e., location and time) at the time from the eCall unit 122 and record it together. If the count reaches a preset number, a warning output request such as lighting of an airbag warning lamp may be transmitted to the cluster 130 .
- a customer may be induced to conduct an inspection of the integrated control unit 120 including the airbag function, and a mechanic may check an error history by checking an error counter and GPS information through a diagnostic equipment.
- the cluster 130 may turn on the airbag warning lamp or output visual information in a form different from the warning lamp (e.g., output of inspection guidance text, etc.) according to the request.
- the cluster 130 is exemplary and is not limited to any type of output device as long as it can output information corresponding to the warning output request of the error processing unit 123 in a predetermined format.
- the cluster 130 may be replaced with a display of an Audio/Video/Navigation (AVN) system, a Head Up Display (HUD) and the like.
- APN Audio/Video/Navigation
- HUD Head Up Display
- the integrated control unit 120 described so far has the following advantages compared to the configuration in which the general airbag control unit (ACU) described with reference to FIG. 1 requests the automatic emergency call transmission to the eCall unit through the CGW.
- ACU general airbag control unit
- the eCall unit 122 that performs emergency call transmission directly receives a transmission request from the accident determination unit 121 inside the integrated control unit 120 without going through the CGW, there is no concern of mistransmission due to the mistransmission of the signal triggered by other control unit or CGW.
- the eCall unit 122 may directly receive a transmission request from the accident determination unit 121 irrespective of whether the CGW and the like operates normally.
- vehicle communication connection elements such as cables, connectors and the like can be reduced, thereby lowering a failure rate and reducing cost and vehicle weight.
- FIG. 3 is a flowchart illustrating an example of an emergency call control process according to an embodiment.
- the accident determination unit 121 of the integrated control unit 120 monitors the signal of the sensor unit 110 while the vehicle is driving, and when an impact is detected (Yes in S 310 ), whether or not the airbag is deployed (S 320 ) and the accident type (S 330 ) are determined.
- the accident determination unit 121 may request automatic emergency call to the eCall unit 122 . Accordingly, the eCall unit 122 may attempt to transmit an emergency call to the emergency rescue center (S 340 ), and if the connection is successful, information on whether or not the airbag is deployed, the accident type, the current location and the like may be transmitted.
- the accident determination unit 121 notifies the error processing unit 123 of this. Accordingly, the error processing unit 123 increases the count of the error counter (S 350 ), and when the count of the air counter exceeds a certain number (N) (Yes in S 360 ), the warning information may be output through the display device such as the cluster (S 370 ).
- the embodiment described above can be implemented as computer-readable code on a medium in which a program is recorded.
- the computer-readable medium includes all kinds of recording devices in which data readable by a computer system is stored. Examples of computer-readable media include Hard Disk Drive (HDD), Solid State Disk (SSD), Silicon Disk Drive (SDD), ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device and the like.
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Abstract
Description
- This application claims the benefit of Korean Patent Application No. 10-2020-0186424, filed on Dec. 29, 2020, which application is hereby incorporated herein by reference.
- The present invention relates to a vehicle and a method for controlling an emergency call therefor, and more particularly, to a vehicle capable of performing a more stable and reliable emergency call and a method for controlling an emergency call therefor.
- An emergency call (eCall) function refers to a function that automatically attempts to connect a call to a preset emergency rescue center when an accident is detected in a vehicle, such as airbag deployed or vehicle rollover. Currently, the eCall function is compulsory by law in countries such as Europe, Russia, and Turkey, and many countries in Asia and the Middle East are also considering enacting laws.
- A system in which such an emergency call function is implemented will be described with reference to
FIG. 1 . -
FIG. 1 is a block diagram showing an example of a system configuration in which a general emergency call function is implemented. - Referring to
FIG. 1 , an emergency call system may be configured to include avehicle 10 and anemergency rescue center 20. - The
vehicle 10 includes asensor unit 11 having a plurality of sensors, an airbag control unit (ACU) 12, a central gateway (CGU) 13, and aneCall unit 14. The plurality of sensors of thesensor unit 11 is disposed in each part of the vehicle to detect the impact or acceleration applied to the vehicle, and theairbag control unit 12 determines whether or not an accident has occurred, whether or not an airbag is deployed and the like based on the signal obtained from thesensor unit 11. When theairbag control unit 12 determines that an accident has occurred, a certain signal (for example, CF_ACU_CshAct==1) is outputted, and the corresponding signal is transmitted to theeCall unit 14 through theCGW 13. When the eCallunit 14 receives the certain signal, the emergency call connection to theemergency rescue center 20 is attempted. - However, the certain signal that triggers the eCall function is incorrectly transmitted due to a malfunction of the
CGW 13, theACU 12, or other control unit even in a situation where no accident occurs, so there is a problem in that the emergency call transmission by theeCall unit 14 occurs. - In addition, when the CGW 13 does not operate due to the damage to the battery as a result of an actual accident, the certain signal may not be transmitted to the
eCall unit 14 even if theACU 12 outputs the certain signal that triggers the eCall function. - Embodiments provide a vehicle capable of providing a more stable and reliable emergency call function and a method for controlling an emergency call therefor.
- The technical problems to be solved in embodiments are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those of ordinary skill in the art to which the embodiments belong from the description below.
- In order to solve the above technical problem, the method for controlling an emergency call for a vehicle according to an embodiment may include the steps of monitoring a sensor signal in an accident determination unit of a control unit; determining whether or not an airbag is deployed based on the sensor signal in the accident determination unit; requesting an automatic emergency call from the accident determination unit to an emergency call unit of the control unit if the airbag is deployed as a result of the determination; and attempting to transmit a call to an emergency rescue center in response to the request from the emergency call unit.
- In addition, the vehicle according to an embodiment may include a sensor unit including a plurality of sensors and a control unit to obtain a sensor signal from the sensor unit, the control unit may include an accident determination unit that determines whether or not an airbag is deployed based on the sensor signal, and requests an automatic emergency call if the airbag is deployed as a result of the determination; and an emergency call unit that attempts to transmit a call to an emergency rescue center in response to the emergency call request.
- The vehicle related to at least one embodiment configured as described above can perform more reliable and stable emergency call function control.
- In particular, the integrated control unit according to an embodiment is more resistant to errors because an airbag control function and an emergency call function are integrated.
- The effects obtainable in embodiments are not limited to the above-mentioned effects, and other effects not mentioned may be clearly understood by those of ordinary skill in the art to which the embodiments belong from the following description.
-
FIG. 1 is a block diagram showing an example of a system configuration in which a general emergency call function is implemented. -
FIG. 2 shows an example of a vehicle configuration according to an embodiment. -
FIG. 3 is a flowchart illustrating an example of an emergency call control process according to an embodiment. - Hereinafter, with reference to the accompanying drawings, embodiments will be described in detail so that those of ordinary skill in the art can easily implement them. However, the embodiments may be embodied in various different forms and is not limited to the embodiments described herein. And in order to clearly explain the embodiments in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.
- Throughout the specification, when a part “includes” a certain component, it means that other components may be further included, rather than excluding other components, unless otherwise stated. In addition, parts indicated with the same reference numerals throughout the specification mean the same components.
-
FIG. 2 shows an example of a vehicle configuration according to an embodiment. - Referring to
FIG. 2 , thevehicle 100 according to an embodiment may include asensor unit 110 having a plurality of sensors, anintegrated control unit 120, and a cluster 130. The components shown inFIG. 2 are mainly illustrated with the elements related to the embodiments, and it is apparent that more or fewer components may be included in an actual vehicle implementation. - The plurality of sensors of the sensor unit 11 o may be disposed in each part of the vehicle to detect the impact or acceleration applied to the vehicle.
- The
integrated control unit 120 may include anaccident determination unit 121, an emergency call (eCall)unit 122, and anerror processing unit 123. - The
accident determination unit 121 may determine whether or not an accident has occurred and the type of accident based on the information obtained from thesensor unit 110, and may determine whether or not automatic emergency call is transmitted or the integrated control unit is in error based on the determination result. For example, when the airbag is deployed or it is determined as a rollover accident or a side accident even in a situation where the airbag is not deployed based on the signal of thesensor unit 110, theaccident determination unit 121 may request theeCall unit 122 to send an automatic emergency call. In this case, theaccident determination unit 121 may transmit the information on whether or not the airbag is deployed and the accident type together to theeCall unit 122. The information on the accident type can be output in the form of a Diagnostic Trouble Code (DTC). For example, in case of a frontal collision, Code AAAA may be output, and in case of a rollover (overturn) accident, Code BBBB, etc. may be output, but this is exemplary and is not necessarily limited thereto. - In addition, when the airbag is not deployed even though the occurrence of an impact is detected and it is not determined as a rollover accident or a side accident based on the signal of the
sensor unit 110, theaccident determination unit 121 may notify theerror processing unit 123 of this. - The eCall
unit 122 may include a Global Positioning System (GPS) module to determine a current location and a modem for communication connection with theemergency rescue center 20. The eCallunit 122 may transmit the emergency call to the presetemergency rescue center 20 according to the notification of theaccident determination unit 121, and when the information on whether or not the airbag is deployed and the accident type is obtained from theaccident determination unit 121, theeCall unit 122 may transmit the corresponding information to theemergency rescue center 20 together with the location information obtained through the GPS module. - As described above, the
error processing unit 123 may receive a certain signal from theaccident determination unit 121 when the airbag is not deployed and it is not determined as a rollover accident or a side accident even though the occurrence of an impact is detected based on the signal of thesensor unit 110. In this case, theerror processing unit 123 may increase the count of the error counter by 1, and may receive GPS information (i.e., location and time) at the time from theeCall unit 122 and record it together. If the count reaches a preset number, a warning output request such as lighting of an airbag warning lamp may be transmitted to the cluster 130. Through this, a customer may be induced to conduct an inspection of the integratedcontrol unit 120 including the airbag function, and a mechanic may check an error history by checking an error counter and GPS information through a diagnostic equipment. - When the warning output request is received from the
error processing unit 123, the cluster 130 may turn on the airbag warning lamp or output visual information in a form different from the warning lamp (e.g., output of inspection guidance text, etc.) according to the request. Here, the cluster 130 is exemplary and is not limited to any type of output device as long as it can output information corresponding to the warning output request of theerror processing unit 123 in a predetermined format. For example, the cluster 130 may be replaced with a display of an Audio/Video/Navigation (AVN) system, a Head Up Display (HUD) and the like. - The integrated
control unit 120 described so far has the following advantages compared to the configuration in which the general airbag control unit (ACU) described with reference toFIG. 1 requests the automatic emergency call transmission to the eCall unit through the CGW. - First, since the eCall
unit 122 that performs emergency call transmission directly receives a transmission request from theaccident determination unit 121 inside the integratedcontrol unit 120 without going through the CGW, there is no concern of mistransmission due to the mistransmission of the signal triggered by other control unit or CGW. In addition, when an actual accident occurs, the eCallunit 122 may directly receive a transmission request from theaccident determination unit 121 irrespective of whether the CGW and the like operates normally. In addition, as each of the airbag function and the emergency call function is implemented in the form of the integrated control unit rather than a separate control unit, vehicle communication connection elements such as cables, connectors and the like can be reduced, thereby lowering a failure rate and reducing cost and vehicle weight. -
FIG. 3 is a flowchart illustrating an example of an emergency call control process according to an embodiment. - Referring to
FIG. 3 , theaccident determination unit 121 of theintegrated control unit 120 monitors the signal of thesensor unit 110 while the vehicle is driving, and when an impact is detected (Yes in S310), whether or not the airbag is deployed (S320) and the accident type (S330) are determined. - If the airbag is deployed (Yes in S320) or if the airbag is not deployed (No in S320) but it is determined as a certain accident type such as a rollover accident or a side accident (Yes in S330), the
accident determination unit 121 may request automatic emergency call to the eCallunit 122. Accordingly, the eCallunit 122 may attempt to transmit an emergency call to the emergency rescue center (S340), and if the connection is successful, information on whether or not the airbag is deployed, the accident type, the current location and the like may be transmitted. - On the other hand, when the airbag is not deployed even though the impact is detected and it does not correspond to the certain accident type (No in S330), the
accident determination unit 121 notifies theerror processing unit 123 of this. Accordingly, theerror processing unit 123 increases the count of the error counter (S350), and when the count of the air counter exceeds a certain number (N) (Yes in S360), the warning information may be output through the display device such as the cluster (S370). - The embodiment described above can be implemented as computer-readable code on a medium in which a program is recorded. The computer-readable medium includes all kinds of recording devices in which data readable by a computer system is stored. Examples of computer-readable media include Hard Disk Drive (HDD), Solid State Disk (SSD), Silicon Disk Drive (SDD), ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device and the like.
- Accordingly, the above detailed description should not be construed as restrictive in all respects but as exemplary. The scope of the present invention should be determined by a reasonable interpretation of the appended claims, and all modifications within the equivalent scope of the present invention are included in the scope of the present invention.
Claims (20)
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KR1020200186424A KR20220094810A (en) | 2020-12-29 | 2020-12-29 | Vehicle and method of controlling emergency call for the same |
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US11636753B2 (en) | 2023-04-25 |
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